Stage 4 : the hair grows in more densely. It becomes as coarse an curly as in theadult, but there is not as much of it.

Stage 5 : has the classic coarse and surly pubic hair that extends onto the innerthighs.

Breast development at puberty

Stage 1 : consist of a small elevated nipple with no significant underlying breasttissue.

Stage 2 : is the breast bud stage. Here, there is elevation of the breast andnipple as a small mound ; the areola begins to enlarge. Milk ducts inside thebreast begin to grow.

Stage 3 : there is further enlargement and elevation of the breast and areola(with no separation of their contours). The areola begins to darken in colour. Themilk ducts begin to give rise to milk glands that begin to grow.

Stage 4 : projection of the areola and nipple to form a secondary mound.

Stage 5 : there is projection of the nipple only (though in some woman theareola continues to form a secondary mound).